fix(ci): remove GPG

.github/workflows/nightly.yml

@@ -232,17 +232,9 @@ jobs:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: gh api repos/${{ github.repository }}/git/refs/tags/Nightly-Dedicated-Server --method DELETE || true
 
-    - name: Import GPG key
-      uses: crazy-max/ghaction-import-gpg@v6
-      with:
-        gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
-        passphrase: ${{ secrets.GPG_PASSPHRASE }}
-        git_user_signingkey: true
-        git_tag_gpgsign: true
-
-    - name: Create signed tag
+    - name: Create tag
       run: |
-        git tag -s -f Nightly-Dedicated-Server -m "Nightly server release ${{ steps.sha.outputs.short }}"
+        git tag -f Nightly-Dedicated-Server -m "Nightly server release ${{ steps.sha.outputs.short }}"
         git push origin Nightly-Dedicated-Server --force
 
     - name: Create release
@@ -296,7 +288,7 @@ jobs:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: gh api repos/${{ github.repository }}/git/refs/tags/Nightly --method DELETE || true
 
-      - name: Create signed tag
+      - name: Create tag
         run: |
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"